Head lice affect more than 100 million people worldwide annually. Permethrin (1% formulation) is efficacious but resistance is emerging. Malathion (0.5% formulation) is an alternative, but ...

(Higher concentrations of permethrin are used in medications for treating both head lice and scabies.) Spray only your clothing. We said it before, but it’s worth repeating: Permethrin spray is ...

The wax layer of the epicuticle (outer layer) is composed of a matrix of hydrocarbons, and four specific hydrocarbons identified to be consistent among head lice by Scherer were selected for study ...